Mark alternative ImColor constructors as constexpr, second attempt (#6656)

Earlier 7c5b0e8 broke with VS2015 and some other MingGW/GCC setups.
This commit is contained in:
ocornut 2023-07-29 17:48:19 +02:00
parent dc2b0a2823
commit 19ae142bdd

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@ -2471,8 +2471,8 @@ struct ImColor
constexpr ImColor() { }
constexpr ImColor(float r, float g, float b, float a = 1.0f) : Value(r, g, b, a) { }
constexpr ImColor(const ImVec4& col) : Value(col) {}
ImColor(int r, int g, int b, int a = 255) { float sc = 1.0f / 255.0f; Value.x = (float)r * sc; Value.y = (float)g * sc; Value.z = (float)b * sc; Value.w = (float)a * sc; }
ImColor(ImU32 rgba) { float sc = 1.0f / 255.0f; Value.x = (float)((rgba >> IM_COL32_R_SHIFT) & 0xFF) * sc; Value.y = (float)((rgba >> IM_COL32_G_SHIFT) & 0xFF) * sc; Value.z = (float)((rgba >> IM_COL32_B_SHIFT) & 0xFF) * sc; Value.w = (float)((rgba >> IM_COL32_A_SHIFT) & 0xFF) * sc; }
constexpr ImColor(int r, int g, int b, int a = 255) : Value((float)r * (1.0f / 255.0f), (float)g * (1.0f / 255.0f), (float)b * (1.0f / 255.0f), (float)a* (1.0f / 255.0f)) {}
constexpr ImColor(ImU32 rgba) : Value((float)((rgba >> IM_COL32_R_SHIFT) & 0xFF) * (1.0f / 255.0f), (float)((rgba >> IM_COL32_G_SHIFT) & 0xFF) * (1.0f / 255.0f), (float)((rgba >> IM_COL32_B_SHIFT) & 0xFF) * (1.0f / 255.0f), (float)((rgba >> IM_COL32_A_SHIFT) & 0xFF) * (1.0f / 255.0f)) {}
inline operator ImU32() const { return ImGui::ColorConvertFloat4ToU32(Value); }
inline operator ImVec4() const { return Value; }